2024 series Tooling
(HK1077)
Alcoa Fastening Systems
8
D
ISASSEMBLY
I
NSTRUCTIONS
2024
ALL
MODELS
For component identifi cation and Parts list refer to Figures 2,
14, & 15.
NOTE: The following procedure is for complete
disassembly of tool. Disassemble only components
necessary to replace damaged O-rings, Quad rings,
Back-up rings, and worn or damaged components.
Always use soft jaw vice to avoid damage to tool.
1. Disconnect tool from air source.
2. Unscrew Retaining Nut (7) and remove nose assembly.
3. Unscrew Bleed Plug (55), from top of Handle/head.
Turn tool over and allow fl uid to drain into container
(Fig. 10 & 14).
4.
2024 & 2024L:
Pull Pintail Defl ector (24) off End Cap
(21).
2024V & 2024LV:
Please reference Disassembly of
Pintail Bottle and Vacuum System Procedure.
5. Remove Throttle Arm Pivot Screw (48) and Lever
Guard (73), and lift out Throttle Arm (53). Disconnect
ball end of Cable Assembly (2) from throttle arm.
6. Hold tool in vise with bottom up. (Fig. 2) Remove
Button Head Screws (40) with 1/8 hex key, then End
Cap (41) and Gasket (39). Remove Muffl
er (42) from
end cap and Spring (49) from Throttle Valve (Fig.14).
7. Tap Cylinder Head (45) down with soft mallet (to take
pressure off ring), and remove Retaining Ring (38)
(Fig.2).
8. Screw Button Head Screws (40) back into Cylinder
Head. Carefully pry on screws to remove head.
Remove O-ring (46).
9. To remove air piston from cylinder, pull on Lock Nut
(43) with VISE-GRIPS. Remove Piston Quad Ring (47).
10. Remove Bumper (34) from Gland Assembly. Unscrew
Gland Assembly ( 25) with 1 3/8 socket wrench and
extension bar.
11. Remove SPIRO-LOX Retaining Ring (30) from gland
(26), pull out Spacer (29) and POLYSEAL (28). Then
remove O-rings (31 & 27), Quad Ring (33) & Back-up
Ring (32) (Fig. 14).
12. Lift cylinder (35) from handle/head (1) (Fig. 2).
13. Turn handle/head (1) over and drain fl uid into
container. Discard fl uid.
14. Pull Throttle Valve (52) out of air cylinder (35). Remove
O-Rings (50) (Fig. 14).
HEAD/HANDLE 2024 & 2024L:
(SeeFigures 3, 4 & 14)
15. Unscrew End Cap (21) and remove Spring (19), Spacer
(22) and Wiper Seal (23).
NOTE:
For 2024V, reference D
ISASSEMBLY
OF
P
INTAIL
B
OTTLE
AND
V
ACUUM
S
YSTEM
procedure.
35
Timing Pin
40
41
42
38
45
46
43, 44
37
47
34
36
25
39
1
Figure 2
10 R
B
(34) f
Gl
d A
bl
U
CAUTION: Care must be given not to
scratch piston rod or cylinder during
removal.
For component identification and Parts list refer to Figures 2
WARNING: Be sure air hose is disconnected
from tool before cleaning, or performing
maintenance. Severe personal injury may
occur if air hose is not disconnected.